a textbook covering the syllabus of the B. SC. examinations in this subject and suitable for advanced classes in technical colleges Toft, Louis. creator London, New York [etc.] Sir I. Pitman & sons, ltd. 1931 : v, 594 p. diagr. 22 cm. Toft, Louis. [from old catalog] Almirah No. 10 and Shelf No. 2 Practical mathematics 510,TOF 20230223174958.0